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The posterior median eyes have excellent night vision, allowing them to cast nets accurately in low-light conditions. These eyes are larger than the others, and sometimes makes these spiders appear to only have two eyes. Ogre-faced spiders are the best known genus in this family. The name refers to the perceived physical similarity to the ...
Deinopis, also known as net-casting spiders, gladiator spiders and ogre-faced spiders, [2] is a genus of net-casting spiders that was first described by W. S. MacLeay in 1839. [3] Its distribution is widely tropical and subtropical.
When prey approaches the spider, it lunges forward and captures the insect in its net. In order to capture prey flying above it the spider uses a backward striking motion. When prey is outside its field of vision this spider appears to use a sensory organ located on its front legs to sense to prey. This sensory organ is known as the metatarsal ...
The main pair of eyes in jumping spiders even sees in color. [9] Net-casting spiders of genus Deinopis have their posterior median eyes enlarged into large forward-facing compound lenses. These eyes have a wide field of view and are able to gather available light more efficiently than the eyes of cats and owls.
This page was last edited on 10 February 2019, at 21:18 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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Asianopis is a genus of Asian net-casting spiders first described by Y. J. Lin, ... "A new ogre-faced spider species of the genus Deinopis MacLeay, ...
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